Detectives have spent most of the day digging up an industrial site southwest of Brisbane, following a tip-off regarding the cold case murder of Sharron Phillips.
Ms Phillips was 20 when she disappeared from Wacol on the night of May 8, 1986.
Her car had run out fuel and she went to a nearby army barracks to make a phone call but was turned away.
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She then went to a pay phone and was later seen waiting for her boyfriend near the Wacol railway station.
— Brisbane Times (@brisbanetimes) May 31, 2016
Ipswich City Council-owned land at Carole Park is now the focus of the fresh investigation, after police received a ‘credible’ tip-off.
“The aspects of what they say have been verified in a lot of detail from previous investigations,” Detective Superintendent Damien Hansen told reporters on Tuesday.
Around 100 cubic metres of soil is expected to be removed and drains searched during the probe which is likely to take around one week.
A $250,000 reward remains on offer for anyone who helps bring Ms Phillips’ killer or killers to justice.
“We had not spoken to this person previously,” Det Supt Hansen explained. “The person has come forward because of their conscience.”